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Finding the Fourth Proportional to 272,533.08, 408,801.44 and 95,039.40

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Solution

The fourth proportional to 272,533.08, 408,801.44 and 95,039.40 is: 142,559.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,533.08 : 408,801.44 = 95,039.40 : x
  2. Step 2: Convert to fraction form
    272,533.08/408,801.44 = 95,039.40/x
  3. Step 3: Cross multiply
    272,533.08x = 408,801.44 × 95,039.40
  4. Step 4: Simplify right side
    272,533.08x = 38,852,243,576.74
  5. Step 5: Solve for x
    x = 38,852,243,576.74/272,533.08
  6. Step 6: Final answer
    x = 142,559.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.